1. School
of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
2. Division
of Physics and Applied Physics, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
3. Singapore Bioimaging Consortium (A*STAR), Helios, 07-10, 11 Biopolis Way, Singapore 138667, Singapore
4. Institute
of Advanced Materials, Nanjing University of Technology, Nanjing 210009, China
5. Centre
for Disruptive Photonic Technologies (CDPT), Nanyang Technological University, Singapore 637371, Singapore